> So is there anything out there on persistence and sequential harm with vapor? Drip Sublimation aka vapour Cardboard strip The heat is on cardboard strip use of oxalic+glycerin Patent https://www.google.com/patents/WO2015107233A1 Discusssion http://patents.stackexchange.com/questions/14853/using-oxalic-acid-on-cardboard-strips-against-varroa *********************************************** The BEE-L mailing list is powered by L-Soft's renowned LISTSERV(R) list management software. For more information, go to: http://www.lsoft.com/LISTSERV-powered.html
